Examples of org.xml.sax.Attributes

org.xml.sax.Attributes
axproject.org'>http://www.saxproject.org for further information.
This interface allows access to a list of attributes in three different ways:
1. by attribute index;
2. by Namespace-qualified name; or
3. by qualified (prefixed) name.
The list will not contain attributes that were declared #IMPLIED but not specified in the start tag. It will also not contain attributes used as Namespace declarations (xmlns*) unless the http://xml.org/sax/features/namespace-prefixes feature is set to true (it is false by default). Because SAX2 conforms to the original "Namespaces in XML" recommendation, it normally does not give namespace declaration attributes a namespace URI.

Some SAX2 parsers may support using an optional feature flag (http://xml.org/sax/features/xmlns-uris) to request that those attributes be given URIs, conforming to a later backwards-incompatible revision of that recommendation. (The attribute's "local name" will be the prefix, or "xmlns" when defining a default element namespace.) For portability, handler code should always resolve that conflict, rather than requiring parsers that can change the setting of that feature flag.

If the namespace-prefixes feature (see above) is false, access by qualified name may not be available; if the http://xml.org/sax/features/namespaces feature is false, access by Namespace-qualified names may not be available.

This interface replaces the now-deprecated SAX1 {@link org.xml.sax.AttributeList AttributeList} interface, which does not contain Namespace support. In addition to Namespace support, it adds the getIndex methods (below).

The order of attributes in the list is unspecified, and will vary from implementation to implementation.
@since SAX 2.0 @author David Megginson @version 2.0.1 (sax2r2) @see org.xml.sax.helpers.AttributesImpl @see org.xml.sax.ext.DeclHandler#attributeDecl

            // when it created a TagInfo object from the
            // tag file in which the directive appeared.


            // This method does additional processing to collect page info


            Attributes attrs = n.getAttributes();
            for (int i = 0; attrs != null && i < attrs.getLength(); i++) {
                String attr = attrs.getQName(i);
                String value = attrs.getValue(i);


                if ("language".equals(attr)) {
                    if (pageInfo.getLanguage(false) == null) {
                        pageInfo.setLanguage(value, n, err, false);
                    } else if (!pageInfo.getLanguage(false).equals(value)) {

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    public static void checkAttributes(String typeOfTag,
                       Node n,
                       ValidAttribute[] validAttributes,
                       ErrorDispatcher err)
                throws JasperException {
        Attributes attrs = n.getAttributes();
        Mark start = n.getStart();
    boolean valid = true;


        // AttributesImpl.removeAttribute is broken, so we do this...
        int tempLength = (attrs == null) ? 0 : attrs.getLength();
    Vector temp = new Vector(tempLength, 1);
        for (int i = 0; i < tempLength; i++) {
            String qName = attrs.getQName(i);
            if ((!qName.equals("xmlns")) && (!qName.startsWith("xmlns:")))
                temp.addElement(qName);
        }


        // Add names of attributes specified using jsp:attribute

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    /*
     * Parses a page directive with the following syntax: PageDirective ::= ( S
     * Attribute)*
     */
    private void parsePageDirective(Node parent) throws JasperException {
        Attributes attrs = parseAttributes();
        Node.PageDirective n = new Node.PageDirective(attrs, start, parent);


        /*
         * A page directive may contain multiple 'import' attributes, each of
         * which consists of a comma-separated list of package names. Store each
         * list with the node, where it is parsed.
         */
        for (int i = 0; i < attrs.getLength(); i++) {
            if ("import".equals(attrs.getQName(i))) {
                n.addImport(attrs.getValue(i));
            }
        }
    }

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    /*
     * Parses an include directive with the following syntax: IncludeDirective
     * ::= ( S Attribute)*
     */
    private void parseIncludeDirective(Node parent) throws JasperException {
        Attributes attrs = parseAttributes();


        // Included file expanded here
        Node includeNode = new Node.IncludeDirective(attrs, start, parent);
        processIncludeDirective(attrs.getValue("file"), includeNode);
    }

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     * Parses a taglib directive with the following syntax: Directive ::= ( S
     * Attribute)*
     */
    private void parseTaglibDirective(Node parent) throws JasperException {


        Attributes attrs = parseAttributes();
        String uri = attrs.getValue("uri");
        String prefix = attrs.getValue("prefix");
        if (prefix != null) {
            Mark prevMark = pageInfo.getNonCustomTagPrefix(prefix);
            if (prevMark != null) {
                err.jspError(reader.mark(), "jsp.error.prefix.use_before_dcl",
                        prefix, prevMark.getFile(), ""
                                + prevMark.getLineNumber());
            }
            if (uri != null) {
                String uriPrev = pageInfo.getURI(prefix);
                if (uriPrev != null && !uriPrev.equals(uri)) {
                    err.jspError(reader.mark(), "jsp.error.prefix.refined",
                            prefix, uri, uriPrev);
                }
                if (pageInfo.getTaglib(uri) == null) {
                    TagLibraryInfoImpl impl = null;
                    String[] location = ctxt.getTldLocation(uri);
                    impl = new TagLibraryInfoImpl(ctxt, parserController, pageInfo,
                            prefix, uri, location, err);
                    pageInfo.addTaglib(uri, impl);
                }
                pageInfo.addPrefixMapping(prefix, uri);
            } else {
                String tagdir = attrs.getValue("tagdir");
                if (tagdir != null) {
                    String urnTagdir = URN_JSPTAGDIR + tagdir;
                    if (pageInfo.getTaglib(urnTagdir) == null) {
                        pageInfo.addTaglib(urnTagdir,
                                new ImplicitTagLibraryInfo(ctxt,

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    /*
     * Parses a tag directive with the following syntax: PageDirective ::= ( S
     * Attribute)*
     */
    private void parseTagDirective(Node parent) throws JasperException {
        Attributes attrs = parseAttributes();
        Node.TagDirective n = new Node.TagDirective(attrs, start, parent);


        /*
         * A page directive may contain multiple 'import' attributes, each of
         * which consists of a comma-separated list of package names. Store each
         * list with the node, where it is parsed.
         */
        for (int i = 0; i < attrs.getLength(); i++) {
            if ("import".equals(attrs.getQName(i))) {
                n.addImport(attrs.getValue(i));
            }
        }
    }

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    /*
     * Parses a attribute directive with the following syntax:
     * AttributeDirective ::= ( S Attribute)*
     */
    private void parseAttributeDirective(Node parent) throws JasperException {
        Attributes attrs = parseAttributes();
        Node.AttributeDirective n = new Node.AttributeDirective(attrs, start,
                parent);
    }

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    /*
     * Parses a variable directive with the following syntax: PageDirective ::= (
     * S Attribute)*
     */
    private void parseVariableDirective(Node parent) throws JasperException {
        Attributes attrs = parseAttributes();
        Node.VariableDirective n = new Node.VariableDirective(attrs, start,
                parent);
    }

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     */
    private void parseParam(Node parent) throws JasperException {
        if (!reader.matches("<jsp:param")) {
            err.jspError(reader.mark(), "jsp.error.paramexpected");
        }
        Attributes attrs = parseAttributes();
        reader.skipSpaces();


        Node paramActionNode = new Node.ParamAction(attrs, start, parent);


        parseEmptyBody(paramActionNode, "jsp:param");

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     * NamedAttributes ETag )
     *
     * JspBodyParam ::= S? '>' Param* '</jsp:body>'
     */
    private void parseInclude(Node parent) throws JasperException {
        Attributes attrs = parseAttributes();
        reader.skipSpaces();


        Node includeNode = new Node.IncludeAction(attrs, start, parent);


        parseOptionalBody(includeNode, "jsp:include", JAVAX_BODY_CONTENT_PARAM);

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